Regulations of the Land Registration Article 117
Upon the application for the registration of mortgage or for the preparatory registration of mortgage according to the provisions of Article 513 of the Civil Code, the contractor shall apply jointly with the employer with the submission of documents prescribed by Articles 34 and 40 and the construction license or other documents indicating construction permits. However, if the agreement of contract has been publicly registered, the contractor may solely apply for registration, and the registration agency shall notify the employer with the result after the completion of registration.When the contractor applies for a preparatory registration of mortgage over the unfinished improvements, the registration agency shall compile a temporary building number and improvements register, and undertake registration in the other registered matters column of the descriptions section.